package com.itheima.reggie.config;

import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.debug("使用自己的json解析器");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        //变为自己设置的json解析器
        mappingJackson2HttpMessageConverter.setObjectMapper(new JacksonObjectMapper());

        //将上面的消息转化器添加到mvc框架中
        converters.add(0,mappingJackson2HttpMessageConverter);
    }
}
